Whale of a Time is the only attraction I see for that area. There is no entrance fee listed, but the phone is 01954781018.
I'm also looking for a train that departs from cambridge and leave on Monday.
attraction-area attraction-type train-day train-departure
attraction-area attraction-name attraction-type train-day train-departure
attraction-area attraction-name attraction-type train-day train-departure
attraction-area attraction-name attraction-type train-day train-departure